A financial analyst is examining the relationship between stock prices and earnings per share. She chooses fifteen publicly traded companies at random and records for each the company's current stock price and the company's earnings per share reported for the past 12 months. Her data are given below, with x denoting the earnings per share from the previous year and y denoting the current stock price (both in dollars). A scatter plot of her data is shown in Figure 1. Also given is the product of the earnings per share and the current stock price for each of the fifteen stocks. (These products, written in the column labelled "xy", may aid in calculations.)
Correlation
Correlation defines a relationship between two independent variables. It tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.
Linear Correlation
A correlation is used to determine the relationships between numerical and categorical variables. In other words, it is an indicator of how things are connected to one another. The correlation analysis is the study of how variables are related.
Regression Analysis
Regression analysis is a statistical method in which it estimates the relationship between a dependent variable and one or more independent variable. In simple terms dependent variable is called as outcome variable and independent variable is called as predictors. Regression analysis is one of the methods to find the trends in data. The independent variable used in Regression analysis is named Predictor variable. It offers data of an associated dependent variable regarding a particular outcome.
What is the slope of the least-squares regression line for these data? Carry your intermediate computations to at least four decimal places and round your answer to at least three decimal places.
![A financial analyst is examining the relationship between stock prices and earnings per share. She chooses fifteen publicly traded companies at
random and records for each the company's current stock price and the company's earnings per share reported for the past 12 months. Her
data are given below, with x denoting the earnings per share from the previous year and y denoting the current stock price (both in dollars). A
scatter plot of her data is shown in Figure 1. Also given is the product of the earnings per share and the current stock price for each of the
fifteen stocks. (These products, written in the column labelled "xy", may aid in calculations.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4546ef37-bea9-4469-8e11-c02351e30e9a%2Fc774397a-28c9-4e75-88bc-efc1a558b407%2F14do008_processed.png&w=3840&q=75)
![0.59
1.45
73.3555
16.26
0.50
8.13
3
38.32
1.55
59.396
32.82
1.62
53.1684
2.5+
57.91
2.75
159.2525
59.28
2.22
131.6016
1.5.
15.97
0.58
9.2626
25.44
0.95
24.168
28.80
0.94
27.072
0.5+
29.70
1.34
39.798
+
10
20
30
40
50
60
42.48
0.92
39.0816
Earnings per share
(in dollars)
43.70
1.39
60.743
20.64
0.75
15.48
Figure 1
40.35
1.99
80.2965
36.68
1.11
40.7148
Current stock price
(in dollars)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4546ef37-bea9-4469-8e11-c02351e30e9a%2Fc774397a-28c9-4e75-88bc-efc1a558b407%2Ffexrv8q_processed.png&w=3840&q=75)
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